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Area Lighting / Lighting technology, day lighting

IEV ref845-09-53

Symbol
U

en
utilance (of an installation, for a reference surface)
ratio of the luminous flux received by the reference surface to the sum of the individual total fluxes of the luminaires of the installation

fr
utilance (d'une installation, pour une surface de référence) f
rapport du flux lumineux reçu par la surface de référence à la somme des flux totaux individuels des luminaires de l'installation

ar
عامل الانتفاع

de
Raumwirkungsgrad (einer Beleuchtungsanlage, für eine Bezugsfläche), m

es
utilancia

fi
valaistuksen huonehyötysuhde

it
fattore di utilizzazione dell'impianto

ko
고유 조명률, 기준면

ja
固有照明率

no
nb romvirkningsgrad

nn romvirkningsgrad

pl
sprawność pomieszczenia (dla instalacji i danej powierzchni odniesienia)

pt
utilância (de uma instalação, para uma superfície de referência)

sv
rumsverkningsgrad

Publication date: 1987
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